ellipsis()
  white-space nowrap
  overflow hidden
  text-overflow ellipsis
before()
  content: '';
  position: absolute;
  width: 25%;
  left: 25%;
  height: 100%;
  border-left: .02rem solid #ddd;
  border-right: .02rem solid #ddd;
after()
  content: '';
  position: absolute;
  width: 10%;
  left: 75%;
  height: 100%;
  border-left: .02rem solid #ddd;
  border-right: .02rem solid #ddd;  